TY  - BOOK
AU  - Harold Koontz
AU  - Heinz Weihrich
TI  - Essentials of Management
SN  - 9780071007764
U1  - 658  KOO-E 
PY  - 1990///
PB  - McGraw hill Pub. Co. New York
KW  - Essentials of Management Koontz ,Harold
ER  -